<template>
  <div class="login-container">
    <div class="content">
      <img class="leftImg" src="~@/assets/login/left.png" alt="" />
      <el-form
        class="login-form"
        autoComplete="on"
        :model="loginForm"
        :rules="loginRules"
        ref="loginForm"
        label-position="left"
      >
        <h2 class="title">TMS智慧物流管理系统</h2>
        <p class="tips">八维上海物联网学院</p>
        <el-form-item prop="username">
          <el-input
            suffix-icon="iconfont icon-yonghu_zhanghao_wode"
            name="username"
            type="text"
            v-model="loginForm.username"
            autoComplete="on"
            placeholder="请输入登录账号"
          />
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            name="password"
            :type="pwdType"
            @keyup.enter.native="handleLogin"
            v-model="loginForm.password"
            autoComplete="on"
            placeholder="请输入密码"
          ></el-input>

          <span
            @click="showPwd"
            :class="
              pwdType === 'password'
                ? 'icon iconfont icon-xianshi_chakan'
                : 'icon iconfont icon-yincang'
            "
          ></span>
        </el-form-item>

        <el-form-item prop="tenantid">
          <span class="icon iconfont icon-yonghuguanli"></span>
          <el-select
            v-model="tenant"
            placeholder="请选择"
            @change="tenantChange"
          >
            <el-option
              v-for="item in tenants"
              :key="item.value"
              :label="item.label"
              :value="item.value"
            >
            </el-option>
          </el-select>
        </el-form-item>

        <div class="tips" v-if="isIdentityAuth">
          <router-link to="/oidcRedirect">
            <el-badge is-dot
              >接口服务器启用了Oauth认证，请点击这里登录</el-badge
            >
          </router-link>
        </div>
        <el-form-item v-else>
          <el-button
            v-waves
            type="primary"
            style="
              width: 100%;
              background: #4452d5;
              font-size: 24px;
              height: 50px;
            "
            :loading="loading"
            @click.native.prevent="handleLogin"
          >
            登 录
          </el-button>
        </el-form-item>
        <p class="tips">默认System登录后，会拥有所有权限</p>
        <p class="tips">
          admin/admin登录后，会少一点权限，资源管理/分类管理的字段会少一点
        </p>
        <p class="tips">
          test/test登录后，权限会更少，资源管理/分类管理的字段也更少
        </p>
      </el-form>
    </div>
  </div>
</template>

<script>
import waves from "@/directive/waves"; // 水波纹指令
import { mapGetters, mapActions } from "vuex";
export default {
  name: "login",
  directives: {
    waves,
  },
  data() {
    const validateUsername = (rule, value, callback) => {
      if (value.length <= 0) {
        callback(new Error("用户名不能为空"));
      } else {
        callback();
      }
    };

    const validatePass = (rule, value, callback) => {
      if (value.length <= 0) {
        callback(new Error("密码不能为空"));
      } else {
        callback();
      }
    };
   
 
    return {
      tenant: this.tenantid || "OpenAuthDBContext", //当前选择的租户
      tenants: [
        {
          value: "OpenAuthDBContext",
          label: "默认租户",
        },
        {
          value: "new_tenantid",
          label: "新租户",
        },
      ],
      loginForm: {
        // username: 'System',
        // password: '123456'
        username: "",
        password: "",
      },
      loginRules: {
        username: [
          {
            required: true,
            trigger: "blur",
            validator: validateUsername,
          },
        ],
        password: [
          {
            required: true,
            trigger: "blur",
            validator: validatePass,
          },
        ],
      },

      loading: false,
      pwdType: "password",
    };
  },

  computed: {
    ...mapGetters(["isIdentityAuth", "tenantid"]),
  },

  methods: {
    ...mapActions([
      "setTenantId", //
    ]),

    tenantChange(e) {
      this.setTenantId(e);
    },
    showPwd() {
      if (this.pwdType === "password") {
        this.pwdType = "";
      } else {
        this.pwdType = "password";
      }
    },

    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true;
          this.$store
            .dispatch("Login", this.loginForm)
            .then(() => {
              this.loading = false;
              this.$router.push({
                path: "/",
              });
            })
            .catch(() => {
              this.loading = false;
            });
        } else {
          console.log("error submit!!");
          return false;
        }
      });
    },
  },
};
</script>

<style rel="stylesheet/scss" lang="scss">
$bg: #2d3a4b;
$light_gray: #eee;
$color_balck: #333;

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $color_balck;
      height: 47px;

      &:-webkit-autofill {
        transition: background-color 5000s ease-in-out 0s;
      }
    }
  }

  .el-form-item {
    margin-bottom: 35px;
    border-radius: 5px;
    color: #454545;

    .el-form-item__content {
      background: #fff;
      border: 1px solid rgba(223, 223, 223, 1);
    }

    &:last-child {
      padding-top: 20px;

      .el-form-item__content {
        border: none;
      }
    }
  }
}
</style>

<style rel="stylesheet/scss" lang="scss" scoped>
@media screen and (max-width: 1150px) {
  .leftImg {
    width: 450px !important;
  }
}

@media screen and (max-width: 1010px) {
  .leftImg {
    width: 380px !important;
  }
}

@media screen and (max-width: 940px) {
  .leftImg {
    display: block;
    width: 260px !important;
    margin: 0 auto !important;
  }
}

$dark_gray: #d1dfe8;

.login-container {
  height: 100%;
  background: url("~@/assets/login/bg.png") no-repeat;
  background-color: #ebebea;
  background-position: 0 0;
  background-size: 62% 100%;
  text-align: center;

  &:before {
    content: "";
    display: inline-block;
    height: 100%;
    vertical-align: middle;
  }

  .content {
    display: inline-block;
    vertical-align: middle;

    > img {
      width: 568px;
      margin-right: 150px;
      vertical-align: middle;
    }

    .login-form {
      display: inline-block;
      width: 400px;
      vertical-align: middle;
    }
  }

  .svg-container {
    color: $dark_gray;
    vertical-align: middle;
    width: 33px;
    display: inline-block;
    font-size: 22px;

    &_login {
      font-size: 31px;
    }
  }

  .title {
    font-size: 26px;
    font-weight: 400;
    color: #4452d5;
    margin: 0;
    text-align: left;
  }

  .tips {
    color: #959595;
    font-size: 14px;
    margin-top: 0;
    margin-bottom: 40px;
    text-align: left;
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
    font-size: 24px;
  }
}
</style>